User:Algorerhythms/MD Interstate Table

Primary Interstate highways

Route Number	Length	Western / Southern Terminus	Eastern / Northern Terminus	Counties
I-68	81.09 miles (130.50 km)	I-68 at West Virginia state line	I-70/US 40/US 522 in Hancock	Garrett, Allegany, Washington
I-70	93.62 miles (150.67 km)	I-70/US 522 at Pennsylvania state line near Hancock	MD 122 at Baltimore City line near Woodlawn	Washington, Frederick, Carroll, Howard, Baltimore
I-81	12.08 miles (19.44 km)	I-81 at West Virginia state line in Williamsport	I-81 at Pennsylvania state line near Hagerstown	Washington
I-83	34.5 miles (55.5 km)	East Fayette & North President Streets and Fallsway in Baltimore	I-83 at Pennsylvania state line	Baltimore City, Baltimore County
I-95	110.01 miles (177.04 km)	I-95/I-495 in Alexandria, VA	I-95 near Newark, DE	Prince George's , Howard, Baltimore County, Baltimore City, Harford, Cecil
I-97	17.62 miles (28.36 km)	I-595/US 50/US 301 near Annapolis	I-695 / I-895 near Baltimore	Anne Arundel

Source: Maryland State Highway Administration, Highway Location Reference, 2005

Auxiliary Interstate highways

Route Number	Length	Western / Southern Terminus	Eastern / Northern Terminus	Counties
I-170	Former Route	I-70 at Gwynns Falls Park	US 40 at MLK Blvd.	Baltimore City
I-270	34.40 miles (55.36 km)	I-70/US 40 near Frederick	I-495/MD 355 north of Bethesda	Frederick, Montgomery
I-370	3.13 miles (5.04 km)	Sam Eig Highway & Washingtonian Boulevard in Gaithersburg	Shady Grove Metro Station	Montgomery
I-195	4.88 miles (7.85 km)	I-95/MD 166 near Catonsville	Baltimore-Washington International Thurgood Marshall Airport	Baltimore County, Anne Arundel
I-295	0.80 miles (1.29 km)	I-95/I-495 near Forest Heights	I-295 at DC border	Prince George's
I-395	1.33 miles (2.14 km)	South Howard Street & West Conway Street in Downtown Baltimore	I-95	Baltimore City
I-495	41.09 miles (66.13 km)	I-95/I-495 at Virginia state line	I-495 at Virginia state line	Prince George's , Montgomery
I-595	19.97 miles (32.14 km)	I-95/I-495/Capital Beltway/US 50 outside Washington, DC	US 50/US 301/MD 70 in Annapolis, MD	Prince George's , Anne Arundel
I-695	51.46 miles (82.82 km)	Beltway around Baltimore		Baltimore City, Anne Arundel, Baltimore County
I-795	8.99 miles (14.47 km)	I-695 in Pikesville	MD 140/MD 795 in Reisterstown	Baltimore County
I-895	14.87 miles (23.93 km)	I-95 near Elkridge	I-95 in Baltimore	Howard, Baltimore County, Anne Arundel, Baltimore City

Source: Maryland State Highway Administration, Highway Location Reference, 2005

U.S. Highways

Route Number	Length	Western / Southern Terminus	Eastern / Northern Terminus	Counties
US 1	84 miles (135 km)	US 1 at DC border in Mount Rainier	US 1 at Pennsylvania border near Rising Sun	Prince George's , Howard, Baltimore County, Baltimore City, Harford, Cecil
US 11	12.83 miles (20.65 km)	US 11 at West Virginia border near Williamsport	US 11 at Pennsylvania border near Maugansville	Washington
US 13	42.48 miles (68.36 km)	US 13 at Virginia border near Pocomoke City	US 13 at Delaware border in Delmar	Worcester, Somerset, Wicomico
US 15	37.85 miles (60.91 km)	US 15 at Virginia border near Point of Rocks	US 15 at Pennsylvania border near Emmitsburg	Frederick
US 29	25.91 miles (41.70 km)	US 29 at DC border near Silver Spring	MD 99 in Mount Hebron	Montgomery, Howard
US 40	221.31 miles (356.16 km)	US 40 at Pennsylvania border near Addison, PA	US 40 at Delaware border near Glasgow, DE	Garrett, Allegany, Washington, Frederick, Carroll, Howard, Baltimore County, Baltimore City, Harford, Cecil
US 48	Former Route	I-68 at West Virginia state line near Friendsville	I-70 near Hancock	Garrett, Allegany, Washington
US 50	150.06 miles (241.50 km)	US 50 at DC border in Cheverly	MD 528 in Ocean City	Garrett, Prince George's, Anne Arundel, Queen Anne's, Talbot, Dorchester, Wicomico, Worcester
US 111	Former Route	US 1 in Baltimore	U.S. Route 111 at Pennsylvania border	Baltimore City, Baltimore County
US 113	37.84 miles (60.90 km)	US 13 in Pocomoke City	US 113 at Delaware state line	Worcester
US 140	Former Route	US 140 at Pennsylvania state line	US 1 in Baltimore	Carroll, Baltimore County, Baltimore City
US 213	Former Route	US 50 in Wye Mills	US 40 in Elkton	Queen Anne's, Kent, Cecil
US 219	48.40 miles (77.89 km)	US 219 at West Virginia border near Redhouse	US 219 at Pennsylvania border near Grantsville	Garrett
US 220	27.35 miles (44.02 km)	US 220 at West Virginia border near McCoole	US 220 at Pennsylvania border near Cumberland	Allegany
US 222	3.60 miles (5.79 km)	US 1/MD 222/MD 222 Truck in Conowingo, MD	US 222 at Pennsylvania border	Cecil
US 240	Former Route	US 240 at DC border	US 40 in Frederick	Montgomery, Frederick
US 301	123.30 miles (198.43 km)	US 301 at Virginia border at Governor Harry W. Nice Memorial Bridge	US 301 at Delaware border in Warwick	Charles, Prince George's, Anne Arundel, Queen Anne's, Kent, Cecil
US 340	16.99 miles (27.34 km)	US 340 at Virginia border near Weverton	US 40 in Frederick	Washington, Frederick
US 522	2.37 miles (3.81 km)	US 522 at West Virginia border near Hancock	I-70/US 522 at Pennsylvania border near Hancock	Washington
US 622	Former Route	US 40 in Hancock	US 622 near Hancock	Washington

Source: Maryland State Highway Administration, Highway Location Reference, 2005